The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2007
Filed:
May. 25, 2005
Stefan Scherbarth, Neuss, DE;
Stefan Scherbarth, Neuss, DE;
Sandvik Intellectual Property AB, Sandviken, SE;
Abstract
An indexible cutting bit includes an upper side of polygonal contour defining at respective corners thereof a secondary cutting edge which extends between first and second main cutting edges. The secondary cutting edge includes, in order of closeness to the first main cutting edge: a convexly curved transition first portion extending from an end of the first main cutting edge, a concavely curved second portion of a second radius, a convexly curved third portion of a third radius, a concavely curved fourth portion of a fourth radius, a convexly curved fifth portion of a fifth radius, a concavely curved sixth portion of a sixth radius, and a convexly curved transition seventh portion extending to the second main cutting edge.